The following personal information is exempt from public inspection and copying under this chapter:

     (1) Personal information in any files maintained for students in public schools, patients or clients of public institutions or public health agencies, or welfare recipients;

     (2) Personal information in files maintained for employees, appointees, or elected officials of any public agency to the extent that disclosure would violate their right to privacy;

     (3) Information required of any taxpayer in connection with the assessment or collection of any tax if the disclosure of the information to other persons would (a) be prohibited to such persons by RCW 84.08.210, 82.32.330, 84.40.020, or 84.40.340 or (b) violate the taxpayer's right to privacy or result in unfair competitive disadvantage to the taxpayer;

     (4) Credit card numbers, debit card numbers, electronic check numbers, card expiration dates, or bank or other financial account numbers, except when disclosure is expressly required by or governed by other law; and

     (5) Documents and related materials and scanned images of documents and related materials used to prove identity, age, residential address, social security number, or other personal information required to apply for a driver's license or identicard.

[2008 c 200 § 5; 2005 c 274 § 403.]